JFETs

Use the filters and product table below to compare JFETs components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	FET Type	Voltage - Breakdown (V(BR)GSS)	Drain to Source Voltage (Vdss)	Current - Drain (Idss) @ Vds (Vgs=0)	Current Drain (Id) - Max	Voltage - Cutoff (VGS off) @ Id	Input Capacitance (Ciss) (Max) @ Vds	Resistance - RDS(On)	Power - Max	Operating Temperature	Grade	Qualification	Mounting Type	Supplier Device Package
2N4119A TO-72 4L JFET N-CH 40V TO72-4 Linear Integrated Systems, Inc.	538	-	RFQ	Datasheet	2N4119A	TO-206AF, TO-72-4 Metal Can	Bulk	Active	N-Channel	40 V	-	200 µA @ 10 V	-	2 V @ 1 nA	3pF @ 10V	-	300 mW	-	-	-	Through Hole	TO-72-4
SST111 SOT-23 3L ROHS JFET N-CH 35V SOT23-3 Linear Integrated Systems, Inc.	2,957	-	RFQ	Datasheet	SST111	TO-236-3, SC-59, SOT-23-3	Cut Tape (CT)	Active	N-Channel	35 V	-	-	-	-	12pF @ 10V	30 Ohms	350 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
2N4118A TO-72 4L ROHS JFET N-CH 40V TO72-4 Linear Integrated Systems, Inc.	762	-	RFQ	Datasheet	2N4118A	TO-206AF, TO-72-4 Metal Can	Bulk	Active	N-Channel	40 V	-	80 µA @ 10 V	-	1 V @ 1 nA	3pF @ 10V	-	300 mW	-	-	-	Through Hole	TO-72-4
LS846 SOT-23 3L ROHS JFET N-CH 60V SOT23-3 Linear Integrated Systems, Inc.	8,425	-	RFQ	Datasheet	LS846	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	N-Channel	60 V	-	1.5 mA @ 15 V	-	1 V @ 1 nA	8pF @ 15V	-	300 mW	-55°C ~ 150°C (TJ)	-	-	Surface Mount	SOT-23-3
LSK170B SOT-23 3L ROHS JFET N-CH 40V 10MA SOT23-3 Linear Integrated Systems, Inc.	10,713	-	RFQ	Datasheet	LSK170B	TO-236-3, SC-59, SOT-23-3	Tape & Reel (TR)	Active	N-Channel	40 V	40 V	6 mA @ 10 V	10 mA	200 mV @ 1 nA	20pF @ 15V	-	400 mW	-55°C ~ 135°C (TJ)	-	-	Surface Mount	SOT-23-3
U309 TO-18 3L JFET N-CH 25V TO18-3 Linear Integrated Systems, Inc.	315	-	RFQ	Datasheet	U309	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	25 V	-	12 mA @ 10 V	-	1 V @ 1 nA	4pF @ 10V	35 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-18-3
2N4391 TO-18 3L ROHS JFET N-CH 40V TO18-3 Linear Integrated Systems, Inc.	500	-	RFQ	Datasheet	2N4391	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	40 V	-	50 mA @ 20 V	-	4 V @ 1 nA	14pF @ 20V	30 Ohms	1.8 W	-55°C ~ 200°C (TJ)	-	-	Through Hole	TO-18-3
U308 TO-18 3L ROHS JFET N-CH 25V TO18-3 Linear Integrated Systems, Inc.	495	-	RFQ	Datasheet	U308	TO-206AA, TO-18-3 Metal Can	Bulk	Active	N-Channel	25 V	-	12 mA @ 10 V	-	1 V @ 1 nA	4pF @ 10V	35 Ohms	500 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-18-3
LS3954 TO-71 6L JFET 2N-CH 60V TO71 Linear Integrated Systems, Inc.	1,360	-	RFQ	Datasheet	LS3954	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	60 V	-	500 µA @ 20 V	-	1 V @ 1 nA	6pF @ 20V	-	400 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71
U403 TO-71 6L JFET 2N-CH 50V TO71 Linear Integrated Systems, Inc.	484	-	RFQ	Datasheet	U403	TO-71-6 Metal Can	Bulk	Active	2 N-Channel (Dual)	50 V	50 V	500 µA @ 10 V	-	500 mV @ 1 nA	8pF @ 15V	-	300 mW	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-71

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FREQUENTLY ASKED QUESTIONS

JFETs FAQ

Common questions about filtering, comparing and sourcing JFETs components.

How can I narrow the JFETs selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific JFETs part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.